/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Parameterization/UVUnwrapMeshUtil.h
Given two overlays that have the same triangle IDs, copy all or part of one overlay into another.
namespace UE { namespace Geometry { namespace UVUnwrapMeshUtil { void UE::Geometry::UVUnwrapMeshUtil::UpdateOverlayFromOverlay ( const [FDynamicMeshUVOverlay](API\Runtime\GeometryCore\DynamicMesh\FDynamicMeshUVOverlay) & OverlayIn, [FDynamicMeshUVOverlay](API\Runtime\GeometryCore\DynamicMesh\FDynamicMeshUVOverlay) & OverlayOut, bool bParentVertsIdentical, const [TArray](API\Runtime\Core\Containers\TArray)< int32 > * ChangedElements, const [TArray](API\Runtime\Core\Containers\TArray)< int32 > * ChangedConnectivityTids ) } } }